<?php
/**
  *
  * Copyright (c) 2009, Persistent Systems Limited
  *
  * Redistribution and use, with or without modification, are permitted 
  *  provided that the following  conditions are met:
  *   - Redistributions of source code must retain the above copyright notice, 
  *     this list of conditions and the following disclaimer.
  *   - Neither the name of Persistent Systems Limited nor the names of its contributors 
  *     may be used to endorse or promote products derived from this software 
  *     without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  
/**
  *
  * This file contains the definition of Parser class.
  */
  
class Parser
{
    public function Parser()
    {
    }
    
    public function EnumerateObjects($payLoad, $objectContext, $content_type)
    {
        $objects = array();
        if (!(strpos(strtolower($content_type), strtolower(Resource::Content_Type_JSON)) === FALSE))
        {
            $jsonParser = new JSONParser($payLoad, $objectContext);
            $objects = $jsonParser->EnumerateObjects();
        }
        else
        {
            $atomParser = new AtomParser($payLoad, $objectContext);
            $objects = $atomParser->EnumerateObjects();  
        }
        
        return $objects;
    }
    
    public static function PopulateObject($payload, $resource, &$uri, $content_type)
    {
        if (!(strpos(strtolower($content_type), strtolower(Resource::Content_Type_JSON)) === FALSE))
        {
            $str = Utility::decodeJSONSpecialChar($payload);
            $phpNative = json_decode($str, true);
            JsonParser::PopulateObject($phpNative, $resource, $uri);
        }
        else
        {
            AtomParser::PopulateObject($payload, $resource, $uri);
        }
    }
    
    public static function GetErrorDetails($errorStr, &$outerError, &$innnerError, $content_type)
    {
        if (!(strpos(strtolower($content_type), strtolower(Resource::Content_Type_JSON)) === FALSE))
        {
            $jsonStr = Utility::decodeJSONSpecialChar($errorStr);
            $phpNative = json_decode($jsonStr, true);
            JSONParser::GetErrorDetails($phpNative, $outerError, $innnerError);
        }
        else
        {
            AtomParser::GetErrorDetails($errorStr, $outerError, $innnerError);
        }
    }
}
?>
